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Finding the Fourth Proportional to 422,358.35, 582,849.89 and 228,761.25

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Solution

The fourth proportional to 422,358.35, 582,849.89 and 228,761.25 is: 315,688.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,358.35 : 582,849.89 = 228,761.25 : x
  2. Step 2: Convert to fraction form
    422,358.35/582,849.89 = 228,761.25/x
  3. Step 3: Cross multiply
    422,358.35x = 582,849.89 × 228,761.25
  4. Step 4: Simplify right side
    422,358.35x = 133,333,466,283.73
  5. Step 5: Solve for x
    x = 133,333,466,283.73/422,358.35
  6. Step 6: Final answer
    x = 315,688.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.